World City Abbreviations Reference Table
Country Name
Guatemala City, GuatemalaGUA
Geneva, Switzerland
Hamburg, Germany
Hanoi, Vietnam
Havana, Cuba
Ho Chi Minh City,
Vietnam
Helsinki, Finland
Hong Kong, China
Honolulu HI, USA
Houston TX, USA
Indianapolis, IN, USA
Istanbul, Turkey
Jakarta, Indonesia
Johannesburg,
South Africa
City code
Time Offset
(GMT = 0)
GVA
HAM
HAN
HAV
HCM
HEL
HKG
HNL
HOU
IND
IST
JKT
JNB
DST Period
-6
No DST
1
From Last Sunday in March to Last
Sunday in October
1
From Last Sunday in March to Last
Sunday in October
7
No DST
-5
From 1st Sunday in April to Last
Sunday in October
7
No DST
2
From Last Sunday in March to Last
Sunday in October
8
No DST
-10
No DST
-6
From 1st Sunday in April to Last
Sunday in October
-5
No DST
2
From Last Sunday in March to Last
Sunday in October
7
No DST
2
No DST
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